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FLEXIBLE AND SHAPE-CONFORMAL ROPE-SHAPE ALKALI METAL-SULFUR BATTERIES

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FLEXIBLE AND SHAPE-CONFORMAL ROPE-SHAPE ALKALI METAL-SULFUR BATTERIES ( flexible-and-shape-conformal-rope-shape-alkali-metal-sulfur- )

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(12)UnitedStatesPatent Zhamu etal. (54) FLEXIBLEANDSHAPE-CONFORMAL ROPE-SHAPEALKALIMETAL-SULFUR BATTERIES (71) Aplicants:ArunaZhamu,Springboro,OH (US); HuiHe,Dayton,OH (US);BaofeiPan, Dayton,OH (US);Yu-ShengSu, Dayton,OH (US);BorZJang, Centervile,OH (US) (56) (72) Inventors:ArunaZhamu,Springboro,OH (US); HuiHe,Dayton,OH (US);BaofeiPan, Dayton,OH (US);Yu-ShengSu, Dayton,OH (US);BorZJang, Centervile,OH (US) (73) Asigne:NanotekInstruments,Inc.,Dayton, OH (US) 7,759,008B2 7/2010 Barkeretal. 205/0271574Al 12/205 Jangetal. OTHER PUBLICATIONS Chen,Z.etal.“Thre-dimensionalflexibleand conductiveinter conected graphenenetworks grownby chemicalvapordeposi tion,"NatureMaterials,10,424-428 (2011). (*)Notice: Subjecttoanydisclaimer,thetermofthis patentisextendedoradjustedunder35 PrimaryExaminer—BritanyRaymond U.S.C.154(b)by0days. (21)Apl.No.:15/392,213 (2)Filed: Dec.28,2016 (57) ABSTRACT Providedisarope-shapealkalimetal-sulfurbateryhaving (a)afirstelectrodecomprisingaconductiveporousrodand a mixture of a first electrode active material and a first electrolyteresidinginporesofthefirstporousrod;(b)a porousseparatorwrappingaroundthefirstelectrodetoform aseparator-protectedfirstelectrode;(c)asecondelectrode comprising a conductive porous rod having amixture of a second electrode active material and a second electrolyte residing in pores of the second porous rod;wherein the separator-protected first electrode and the second electrode arecombinedtoform abraidorayarn;and(d)aprotective sheathencasingthebraidoryarn;whereineitherthefirstor the second electrode is a cathode containing sulfur or a sulfurcompoundasacathodeactivematerialandthebatery hasaropeshapehavingalength-to-diameteraspectrationo lesthan5. 39Claims,16DrawingShets (51) Int.Ci. HOIM 2/10 HOIM 4/78 HOIM 10/0525 HOIM 10/054 HOIM 10/0568 HOIM 10/0569 HOIM 10/0587 HOIM 4/02 (2006.01) (206.01) (2010.01) (2010.01) (2010.01) (2010.01) (2010.01) (2006.01) (52) U.S.CI. CPC . HOIM 4/78(2013.01);HOIM 2/1055 (2013.01);HOIM 2/1083(2013.01);HOIM 10/054(2013.01);HOIM 10/0525(2013.01); HOLM 10/0568(2013.01);HOIM 10/0569 13 DAD(15) (2nd) (1) TOMUNEOLUNTAMENTATHE US009905856B1 (10)PatentNo.: US9,905,856B1 (45)DateofPatent: Feb.27,2018 (2013.01);HOIM 10/0587(2013.01);HOLM 2004/025(2013.01);HOIM 2300/0025 (2013.01) (58) FieldofClasificationSearch CPC .HO1M 2/1055;HO1M 2/1083;HOTM 4/78; HOLM 10/0525;HO1M 10/054;HOLM 10/0568;HOTM 10/0569;HO1M 10/0587 Seeaplicationfileforcompletesearchhistory. References Cited U.S.PATENTDOCUMENTS

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